Understanding Gemstone Classifications as Natural, Treated, and Synthetic Stones Shape Modern Jewelry Markets

Clear distinctions between natural, treated, and synthetic gemstones protect both the integrity of the jewelry industry and the confidence of clients” — Ken Bowers METAIRIE, LA, UNITED STATES, ...
Nature

Classification schemes for protein structure and function

There have been many attempts to classify proteins into groups of related molecules in terms of their primary, secondary and tertiary structure. An overview of these classification schemes is ...
ascopubs.org

Natural Language Processing–Assisted Classification Models to Confirm Monoclonal Gammopathy of Undetermined Significance and Progression in Veterans' Electronic Health Records

We developed precompiled lexicons and classification rules as features for the following ML classifiers: logistic regression, random forest, and support vector machines (SVMs). These features were ...
Nature

The Natural Classification of Ferns as a Study in Evolutionary Methods

IN the light of evolutionary theory the object of a natural classification of living things has ceased to be a mere catalogue, useful primarily for the recognition and accurate designation of genera ...
insider.si.edu

What is a Natural Classification? A Case Study in Insect Systematics: Potential Confusion Before Order, Part I

Suzuki, K. and Furth, David George. 1990. "What is a Natural Classification? A Case Study in Insect Systematics: Potential Confusion Before Order, Part I." Seibutsu Kagaku (=Biological Sciences), 42, ...